A190632 In base 3 lunar arithmetic, the lunar sum of the lunar divisors of n.

2, 2, 22, 22, 12, 22, 22, 22, 222, 202, 102, 222, 222, 112, 122, 122, 122, 222, 202, 202, 222, 222, 212, 222, 222, 222, 2222, 2002, 1002, 2222, 2022, 1012, 1122, 1022, 1022, 2222, 2202, 1102, 2222, 2222, 1112, 1122, 1122, 1122, 1222, 1202, 1202, 1222, 1222, 1212, 1222, 1222, 1222, 2222, 2002, 2002, 2222, 2012, 2012, 2222, 2022, 2022, 2222, 2102, 2102, 2222, 2222, 2112, 2222, 2222, 2122, 2222, 2202, 2202, 2222, 2222, 2212, 2222, 2222, 2222

Offset

1,1

Links

Table of n, a(n) for n=1..80.

D. Applegate, M. LeBrun and N. J. A. Sloane, Dismal Arithmetic [Note: we have now changed the name from "dismal arithmetic" to "lunar arithmetic" - the old name was too depressing]

D. Applegate, M. LeBrun, N. J. A. Sloane, Dismal Arithmetic, J. Int. Seq. 14 (2011) # 11.9.8.

Index entries for sequences related to dismal (or lunar) arithmetic

Crossrefs

Cf. A007089, A188548, A087416.

Sequence in context: A082811 A014353 A353101 * A036110 A143807 A118454

Adjacent sequences: A190629 A190630 A190631 * A190633 A190634 A190635

Keyword

nonn,base

Author

N. J. A. Sloane, May 14 2011

Status

approved